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<?php
/**
* Fix the user_registration field.
* In particular, for values which are NULL, set them to the date of the first edit
*
* @file
* @ingroup Maintenance
*/
require_once( 'commandLine.inc' );
$fname = 'fixUserRegistration.php';
$dbr = wfGetDB( DB_SLAVE );
$dbw = wfGetDB( DB_MASTER );
// Get user IDs which need fixing
$res = $dbr->select( 'user', 'user_id', 'user_registration IS NULL', $fname );
while ( $row = $dbr->fetchObject( $res ) ) {
$id = $row->user_id;
// Get first edit time
$timestamp = $dbr->selectField( 'revision', 'MIN(rev_timestamp)', array( 'rev_user' => $id ), $fname );
// Update
if ( !empty( $timestamp ) ) {
$dbw->update( 'user', array( 'user_registration' => $timestamp ), array( 'user_id' => $id ), $fname );
print "$id $timestamp\n";
} else {
print "$id NULL\n";
}
}
print "\n";
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